Year	current US$
2008	102798711
2009	22748806
2010	6212760
2011	9788104
2012	10637134
2013	6397087
2014	355000
2015	1289225
2016	1053133
2017	28412077
2018	31292625
2019	24298904
2020	20091030
2021	2679318
2022	16815518